154530453432 has 32 divisors (see below), whose sum is σ = 387795070080. Its totient is φ = 51314292960.

The previous prime is 154530453397. The next prime is 154530453439. The reversal of 154530453432 is 234354035451.

It is a super-2 number, since 2×154530453432² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154530453439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12234694 + ... + 12247317.

It is an arithmetic number, because the mean of its divisors is an integer number (12118595940).

Almost surely, 2^154530453432 is an apocalyptic number.

154530453432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154530453432 is an abundant number, since it is smaller than the sum of its proper divisors (233264616648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154530453432 is a wasteful number, since it uses less digits than its factorization.

154530453432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24482283 (or 24482279 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 154530453432 its reverse (234354035451), we get a palindrome (388884488883).

The spelling of 154530453432 in words is "one hundred fifty-four billion, five hundred thirty million, four hundred fifty-three thousand, four hundred thirty-two".